TY  - BOOK
AU  - Tyagi, O. D.
AU  - Mehra, M.
TI  - Textbook of Environmental Chemistry
SN  - 8170413524
U1  - 574.522 
PY  - 1996///
CY  - New Delhi
PB  - Anmol Publications Pvt. Ltd.
KW  - Life sciences
KW  - Pure Sciences
KW  - Environmental chemistry
ER  -